public SignerInfo(ASN1Sequence seq) {
Enumeration e = seq.getObjects();
version = (DERInteger) e.nextElement();
issuerAndSerialNumber = IssuerAndSerialNumber.getInstance(e.nextElement());
digAlgorithm = AlgorithmIdentifier.getInstance(e.nextElement());
Object obj = e.nextElement();
if (obj instanceof ASN1TaggedObject) {
authenticatedAttributes = ASN1Set.getInstance((ASN1TaggedObject) obj, false);
digEncryptionAlgorithm = AlgorithmIdentifier.getInstance(e.nextElement());
} else {
authenticatedAttributes = null;
digEncryptionAlgorithm = AlgorithmIdentifier.getInstance(obj);
}
encryptedDigest = DEROctetString.getInstance(e.nextElement());
if (e.hasMoreElements()) {
unauthenticatedAttributes = ASN1Set.getInstance((ASN1TaggedObject) e.nextElement(), false);
} else {
unauthenticatedAttributes = null;
}
}
public DEREncodable getId() {
if (id instanceof ASN1TaggedObject) {
return ASN1OctetString.getInstance((ASN1TaggedObject) id, false);
}
return IssuerAndSerialNumber.getInstance(id);
}
